National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-4645 Detail

Description

strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308.

Source:  MITRE
Description Last Modified:  01/10/2011

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.php.net/53632 Exploit
http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053333.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html
http://marc.info/?l=bugtraq&m=133226187115472&w=2
http://marc.info/?l=bugtraq&m=133469208622507&w=2
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686
http://support.apple.com/kb/HT5002
http://svn.php.net/viewvc/php/php-src/branches/PHP_5_2/Zend/zend_strtod.c?r1=266327&r2=307095&pathrev=307095 Patch
http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
http://www.openwall.com/lists/oss-security/2011/01/05/2 Exploit Patch
http://www.openwall.com/lists/oss-security/2011/01/05/8
http://www.openwall.com/lists/oss-security/2011/01/06/5
http://www.redhat.com/support/errata/RHSA-2011-0195.html
http://www.redhat.com/support/errata/RHSA-2011-0196.html
http://www.securityfocus.com/bid/45668 Exploit
http://www.ubuntu.com/usn/USN-1042-1
http://www.vupen.com/english/advisories/2011/0060 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0066
http://www.vupen.com/english/advisories/2011/0077
http://www.vupen.com/english/advisories/2011/0198
https://exchange.xforce.ibmcloud.com/vulnerabilities/64470

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-4645
NVD Published Date:
01/10/2011
NVD Last Modified:
08/16/2017